Multi-Tech Systems MVP-3010, MVP-2400, MVP-2410 manual Inbound versus Outbound Phonebooks, 326

E1 Phonebook Configuration MultiVOIP User Guide

Similarly, the VOIP system allows Wren Clothing employees in London and Amsterdam to call anywhere in France at French national rates; it allows Wren Clothing employees in Paris and Amsterdam to call anywhere in the United Kingdom at its national rates.

United Kingdom

Wren Clothing Co.

VOIP/PBX Site

London

5

Wren Clothing Co.

VOIP/PBX Site

Paris 5

France

Wren Clothing Co.

5VOIP/PBX Site

Amsterdam

The

Netherlands

Calls at French

National Rates

Calls at UK

National Rates

Inbound versus Outbound Phonebooks

To make the VOIP system transparent to phone users and to allow all possible free and reduced-rate calls, the VOIP administrator must configure the “Outbound” and “Inbound” phone-books of each VoIP in the system.

The “Outbound” phonebook for a particular VOIP unit describes the dialing sequences required for a call to originate locally (typically in a PBX in a particular facility) and reach any of its possible destinations at remote VOIP sites, including calls terminating at points beyond the remote VOIP site.

The “Inbound” phonebook for a particular VOIP unit describes the dialing sequences required for a call to originate remotely from any other VOIP sites in the system, and to terminate on that particular VOIP.

Briefly stated, the MultiVOIP’s Outbound phonebook lists the phone stations it can call; its Inbound phonebook lists the dialing sequences that can be used to call that MultiVOIP. (Of course, the phone numbers are not literally “listed” individually.) The phone stations that can originate or complete calls over the VOIP system are described by numerical rules called “destination patterns.” These destination patterns generally consist of country codes, area codes or city codes, and local phone exchange numbers.

In order for any VOIP phone call to be made, there must be both an Inbound Phonebook entry and an Outbound Phonebook entry that describe the end-to- end connection. The phone station originating the call must be connected to

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